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  Item found in the following categories;
> Hardware & accessories. > Screws/Bolts/Nuts
> Hardware & accessories. > Glue/ThreadLock

  RATED:

Strong Rare-earth Magnets (10pcs/set)

Strong Rare-earth Magnets (10pcs/set)


Extra strong, great for holding down hatches and panels or making ridiculously strong fridge magnets.
Width: 10mm
Height: 2mm

Magnets can be broken with pliers for smaller applications.
 
 

PRODUCT ID: Magnet-S

29g Back warehouse: 0 10+ $1.69
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 Customer rated 5 crowns   
 
Total of 15 discussions.
JiaCheng  23 points - 5/10/2013
 
For how long has these things been on bbackorder
 Hussain Joharji 211 points
hello, maybe i think 3 weeks.. best regards
 JiaCheng 23 points
Any idea when it will be bavk
 Ballsey 133 points
In stock now 18 May 2013.
Karina  16 points - 5/2/2013
 
What the material that this magnets are made??? neodymium???
Busjockey  55 points - 2/22/2013
 
Does HobbyKing sell the metal plates for the magnets to latch too?
 xs4reak 30 points
They latch to each other as well
 Busjockey 55 points
Thanks xs4reak, I realized that already. Reason I asked is I'm a bit frugal and thought why use two when you only need to use one. I'm trying to get an order ready to submit before the weekend and was wondering whether HK sold the little metal pieces they use to attract the magnet, if not I' ll just go the route you suggested or fabricate my own.
 dk3131 48 points
You could also use any strip of s**** metal. It doesn't have to match exactly the dimensions of the magnet. I use strips of the material that makes the PC case.
BEST ANSWER CREDIT AWARDED
 Charles 6 points
I use a small steel thumb tack, the ones without plastic coloring or paint on the head.
Spark29  12 points - 1/21/2013
 
Are they strong enough to make a propeller balancer? The only thing that this magnets would do is hold the weight of a metal shaft and the propeller, are they strong enough?
 Lanius 110 points
YES. I have used it for the same thing. VERY strong magnets. Be careful this magnets are brittle and break easily when struck. Hope it helps.
BEST ANSWER CREDIT AWARDED
SDowell  13 points - 12/5/2012
 
I used some of these for a magnetic switch on a flight simulator stabilizer trim wheel of an A320 to find the position reference upon starting up the flight control system. Darn cheapest solution I ever did in 23 years at the company! he he he
Jennifer  3 points - 4/13/2012
 
How much pull force have? and gauss?
 milli_boy 235 points
in gauss no info avaliable but is very strong for the piece of 1cm scuare
 Arsenio 265 points
actually, I use it for many purposes not just modeling. are really strong.
 Janek 9 points
Velmi dobré a silné magnety.
 JanFloris 37 points
I received mine a week ago, and they are great! Very strong.
 Florian 42 points
Die Magnete sind sehr stark
 GeniolocoSinCura 89 points
is bery strong ilike this for support cocpits
 SamWitj 5 points
maybe it will have about 2 or 3 pounds of pull force .
headdead  7 points - 12/4/2010
 
What tape or glue will hold these magnets to a canopy and to a foamie? Only epoxy?
 Firedog 138 points
Im using uhu por (uhu creative in the states) to fix them on my foamies.
 RCFlight13 52 points
Lots of very high quality hot glue, they just tear themselves clean when I tried using epoxy.
 A.J. Van der Plas 87 points
epoxy will work. You might want to use two sided tape. Like foam-tape, or just regular tape.

Haven't tried yet with CA, maybe that works just as good as epoxy...
 vadson 98 points
It is better to glue on the epoxy adhesive, you can use 5 minute epoxy!
 bizzeus 57 points
foam safe CA..like bSi Super-Gold or any foam compatible CA..check hobbykings section on glues..they have plenty CA foam safe glue to choose from
 *Thomas* 31 points
You need strong glue or epoxy. These are STRONG magnets :)
 Mohamed 46 points
Hello, I use CA glue but before, I scratch the magnet because under the beautiful polished surface, there are harshness. Be careful, they break themselves easily. Good flight.
 MarceloZorzi 19 points
the principle would be the best epoxy glue, try also using the medium viscosity cyanoacrylate
 ANLUCAS 147 points
I use CA Kicker without any problems.
 thisisarun 10 points
epoxy is best, but tried hot glue. It is strong, though I am using one side magnet and other-side steel.
 maverick903 5 points
moi j'ai collé ces aimants avec de la cyano qui est durcie avec de la poudre de silice et çà fonctionne nikel !
 Bill Bailey 9 points
Hi mate I cant see you having any success gluing Thea's to foam.!!! even if you could it would rip the foam out before releasing . You could probably get away with gluing a small piece of ply to the foam and then the magnet to that. It's all about surface aria. I always use CA thick . Good luck
 ZZack 6 points
I've used thin CA but make sure the surface is cleaned before glueing.
 Katrine 30 points
I've glued these with both thick, thin and "gap filling" CA, works like a charm. - I suppose it would depend on the surface you fasten them on. On a balsa frame or similar I would definately go for CA, because it will get drawn into the wood. On an uneven surface, like foam, epoxy would likely be a better choice, simply because CA does not fill the relatively large gaps in foam very well. Alternatively there is contact glue (the kind you put on both surfaces, then let dry and press firmly togeth
 narvin 11 points
Use on the my depron model, strong and very magnetic.
 aJS32 281 points
I am using foamsafe CA available from HK. Hold it in place very strongly. Regards
 Chris 8 points
If your magnet keeps pulling off put a thin separator layer like cardboard on top to lower it's strength. also instead of another magnet or a Metal plate, a screw head filed flat will often do the job.
LWNHRZ  20 points - 9/26/2010
 
May I use them to attach wings to my Skyfun (to make them removable) or it wil not hold tight enough?
 Charlesd 741 points
Definately not.. any real gust of wind will pull it off for sure..
 Lynda 36 points
i think if you use a few pairs it might be okay.. i use them to hold the wings on my indoor 3d plane, but that is much different from the skyfun
 nitc_india 425 points
they will of course do the job....and it will be tight enough ..they are sooo much powerfull..
 ANLUCAS 147 points
If you several pairs of them maybe.
 ZZack 6 points
Try to put 2 sets for stronger attachment. Make sure you have wing lock to prevent rotation if you are using spar tube.
 Mathew 15 points
Actually, if you have some interlock with a bunch of magnets, it will hold, but i dont think you will want the extra weight
 aJS32 281 points
If you put 2 carbon tubes along the fuselage and 2 carbon rods into the wings to slide those rods into the tubes when connecting wings to the fuselage, then, I think, 5 magnets for each wing could held it ...
 Spark29 12 points
The magnets would be more like a backup for the removable wing. The main solution would be a carbon tube that goes from tip to tip, and then the magnet just hold everything together.
stephenk  17 points - 9/21/2010
 
Anyone know when the last time these were in stock was and/or how often they're restocked?
 Sawdust 1605 points
They're in stock now! HURRY HURRY!!!!
 Charlesd 741 points
I was lucky.. but it seem that all their(HK) air craft has these magnets in them. I am pretty sure that HK uses them within there craft. I don't know when they had restock.. but I can tell you that they don't stay instock for long.
 sandererwin 6 points
Hi there,
I just placed an order on october 27th and a few days later it was reserved for me with the rest of my order.
I think the stock will be refilled once in three weeks or something like that.
Hope you get them soon,
Greetings from holland
 Barney_5 100 points
received some Nov. 24 2010 don't know about restocking
 Chris 8 points
There are people out there using these magnets for overunity Generators so they are popular for more than just our Radio- Hobbies. This may be why stock moves well in these magnets. They are the most powerful available but not the Largest Magnets.
__Coyo  96 points - 8/4/2010
 
Is the color always silver (as shown on picture)? I just received these magnets but coated with copper. Silver looks better than copper for me.
 giodonk 30 points
The magnet in the picture only looks silver because of the angle at which the photo was taken, it is just a reflection. These magnets are coated in nickel, which looks very much like copper in colour. If they weren't coated in nickel they would break too easily.
 __Coyo 96 points
Silver or nickel looks same for me, but my magnet looks like a bare PCB: target=_blank> as far as I know before coated with nickel, it should be coated by copper first. cmiiw
 Zack 25 points
Mine were copper coated as well.
 mfernandezga 67 points
I have too and the color is copper
 lewood 43 points
Mine were copper too, but I don't care because once I have them mounted on a plane, I don't see them anymore. And as long as they are as strong as currently, I don't see a reason to buy different magnets. Hope this helps
 ngashok 74 points
No I got it with copper coating.
 marco 14 points
I've ordered two packs of these magnets, and both were copper.
 Charlesd 741 points
You never really know what you will get from HK. but if it still works fine, I don't see the real problem.
 Lynda 36 points
i bought these twice, and once i got silver and the next copper..
 Chris 8 points
The reason for the plating is because the Magnets are prone to corrosion if they are not plated. Remember if you break them into smaller Magnets to seal the broken magnet surface with Paint or something similar.
Flyin´Rollan!  32 points - 7/28/2010
 
making ridiculously strong fridge magnets???
:-0
 Junior 26 points
very Good MAgnets
 ngashok 74 points
They are strong. Holds my canopy very well
 Charlesd 741 points
True true..
 superebiker 36 points
Step up! I keep the phone book on the fridge now.
Cid156  378 points - 11/26/2009
 
Isn't it a problem to buy it in the same time as receiver, esc or other electrical stuff ?
The magnetic field will not destroy the IC ??
 JRBeaman 318 points
As long as there is no magnetic cards or anything, they won't hurt electronics. Be sure to keep your credit cards away from them. VERY FAR AWAY!
 JRBeaman 318 points
Another problem is that magnets attract very tiny metal particles, and those could get into your electronics if you have them right on the receiver. Keep them away from your servos, as they are magnetic devices. Any small metal pieces in electronics can also be effected, so being on your canopy, or wings should be no problem, but don't use them to hold your ESC or Receiver in place. Keep them at least 1 inch or more away.
 hubben 300 points
No, no problem.
 ricky 8 points
I bought magnets with other electrical stuff and they works perfectly. They arrive sealed two times with bubble wrap.
 Bionicman 27 points
I bought it with all that u mentioned above. Its absolutely safe. They put it in several bubble packs and seal it with tapes in the bottom of the box. It can possibly have no interactions
 Charlesd 741 points
Most would say no.. but I say try putting some plastic in between these components just to be sure cause these magnets are pretty strong.
Lynda  36 points - 6/15/2009
 
are the circular ones the same material as these?
 Charlesd 741 points
definately..
Errol  211 points -
 
So these are actually 10mm _square_ and 2mm _thick_?
 Charlesd 741 points
Width: 10mm=.39''
Height: 2mm=.078''
bronya  218 points -
 
what's the thickness?
 Lynda 36 points
these are very strong.. and i mean VERY, they are so small, and they will easily hold almost any canopy down, i use a few of them to hold screws, and they attract 15 bolts, nuts, screws easily. i highly reccomend these for many things, ans at this price i would say "just buy them,, useful"
 Charlesd 741 points
Width: 10mm=.39'' Height: 2mm=.078''
Customer Reviews
Overall Rating
__mrkn
196 likes
ValueUNRATED
QualityUNRATED
49 thumbs up!
measured strength of magnets:

- face to face contact is ~1200gr plus-50gr

- Magnetic moment is ~420000 A/m plus-10000A/m

- Magnetic field:
face to face contact = 0.53 Tesla 0.2mm clearance = 0.49 T 0.4mm = 0.46 T 0.6mm = 0.43 T 0.8mm = 0.41 T 1.0mm = 0.38T 2.0mm 0.30T


2 comments. Reply..

Overall Rating
Errol
175 likes
ValueUNRATED
QualityUNRATED
31 thumbs up!
These are extremely strong, it is best to use them with a piece of steel than with another magnet or you will have trouble getting them apart!
Warning though - do not try to cut these with a dremmel or similar, the heat will demagnetise them. It is best to cut them by scoring a line then snapping (a bit like cutting glass).


1 comment. Reply..

Overall Rating
cmc78
25 likes
ValueUNRATED
QualityUNRATED
11 thumbs up!
Strong magnets but verry fragile. I broked one just playing with. Good value overall.


No comments. Reply..

Overall Rating
Gijs Broeken
23 likes
ValueUNRATED
QualityUNRATED
11 thumbs up!
Great strong magnets, I used 2 of them to hold down the top of my glider and later removed one, because I almost couldn't open it again.


No comments. Reply..

Create an account
Overall Rating
maxx78
75 likes
ValueUNRATED
QualityUNRATED
8 thumbs up!
they are really strong like the other said , i had trouble to get them apart. But be careful they are brittle.


1 comment. Reply..

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